Detection of ectopic gastric mucosa using 99mTc pertechnetate: review of the literature

被引：67

作者：

Kiratli, Pinar O. ^{[1
]}

Aksoy, Tamer ^{[1
]}

Bozkurt, Murat F. ^{[1
]}

Orhan, Diclehan ^{[2
]}

机构：

[1] Hacettepe Univ, Fac Med, Dept Nucl Med, TR-06100 Ankara, Turkey

[2] Hacettepe Univ, Fac Med, Dept Pediat Pathol, TR-06100 Ankara, Turkey

来源：

ANNALS OF NUCLEAR MEDICINE | 2009年 / 23卷 / 02期

关键词：

Ectopic gastric mucosa; Radionuclide imaging; Meckel's diverticulum; Pediatrics; Intestinal duplication; MECKELS-DIVERTICULUM; SCINTIGRAPHY; DIAGNOSIS; PYLORI; SCAN;

D O I：

10.1007/s12149-008-0204-6

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

Technetium-99m (Tc-99m) pertechnetate scintigraphy in a child with acute gastrointestinal bleeding of unknown origin suggests ectopic gastric mucosa caused by Meckel's diverticulum or gastrointestinal duplication cysts. Our objective was to define the patterns of scintigraphic findings likely to be encountered in patients with ectopic gastric mucosa with illustrative cases and to review the literature. Fifty children (age 1 year to 14 years) were evaluated for ectopic gastric mucosa using Tc-99m pertechnetate scintigraphy. Functioning ectopic gastric mucosa was detected in eight patients with Meckel's diverticula and three patients with bowel duplication. Three patients showed atypical findings on scintigraphy which were perforated appendix, calyceal stasis, and regional enteritis. Ectopic functioning gastric mucosa in Meckel's diverticulum is visualized simultaneously with the stomach, whereas in intestinal duplications tracer activity can be visualized in the dynamic sequence or before gastric tracer visualization in an irregular pattern. A variety of scintigraphic patterns can be found in patients with ectopic gastric mucosa undergoing Tc-99m pertechnetate scintigraphy depending on the location and size of the ectopic tissue. Also, acquisition of delayed images is useful when the initial images are equivocal in children.

引用

页码：97 / 105

页数：9

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